The diagnostic categories and the vast majority of the specific criteria for diagnosis were unchanged.

"It was never a formal diagnostic category," he says of the term midlife crisis.

Hyperkinesis is a relatively recent phenomenon as a medical diagnostic category.

Medium depression, which she mentions, is not a recognized diagnostic category.

So that the research and team diagnoses would be comparable, relatively broad diagnostic categories for both were used.

"I thought we were home free when she told us they had the granulomatous diagnostic category."

With the expansion of the mental health industry, new diagnostic categories are developed and disseminated.

Because the behavior spectrum is continuous, boundaries between diagnostic categories are necessarily somewhat arbitrary.

In psychiatry there is a particular issue with assessing the validity of the diagnostic categories themselves.

In fact, no significant differences with respect to aspirin use were observed for the most common diagnostic categories among controls.